... .Stainless Steel 304 or 316 spring nut;(Size: 1/4",5/16",3/8",1/2".M6,M8,M10,M12);4.Competitive ... price and good quality;5.OEM service available;6.Size:M6*6mm,M8*6mm,M8 ... ,M12*9.1mm,M12*11.9mm,1/4",3/8",5/16",1/2"; We hope to receive drawings or physical samples ...